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| author | Tom de Vries <tom@codesourcery.com> | 2015-04-17 09:26:59 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2015-04-17 09:26:59 +0000 |
| commit | f8e89441bc5518f450b6511c59c17c837859d109 (patch) | |
| tree | 5d4de8b2de7d1bc521bef75e9c0cea144cf87699 /gcc/internal-fn.c | |
| parent | 1691b2e1ca494eee178a70c73c0f941ff27118f6 (diff) | |
| download | gcc-f8e89441bc5518f450b6511c59c17c837859d109.zip gcc-f8e89441bc5518f450b6511c59c17c837859d109.tar.gz gcc-f8e89441bc5518f450b6511c59c17c837859d109.tar.bz2 | |
Postpone expanding va_arg until pass_stdarg
2015-04-17 Tom de Vries <tom@codesourcery.com>
Michael Matz <matz@suse.de>
* gimple-iterator.c (update_modified_stmts): Remove static.
* gimple-iterator.h (update_modified_stmts): Declare.
* gimplify.c (gimplify_modify_expr): Handle IFN_VA_ARG.
(gimplify_va_arg_internal): New function.
(gimplify_va_arg_expr): Use IFN_VA_ARG.
* gimplify.h (gimplify_va_arg_internal): Declare.
* internal-fn.c (expand_VA_ARG): New unreachable function.
* internal-fn.def (VA_ARG): New DEF_INTERNAL_FN.
* tree-stdarg.c (gimple_call_ifn_va_arg_p, expand_ifn_va_arg_1)
(expand_ifn_va_arg): New function.
(pass_data_stdarg): Add PROP_gimple_lva to properties_provided field.
(pass_stdarg::execute): Call expand_ifn_va_arg.
(pass_data_lower_vaarg): New pass_data.
(pass_lower_vaarg): New gimple_opt_pass.
(pass_lower_vaarg::gate, pass_lower_vaarg::execute)
(make_pass_lower_vaarg): New function.
* cfgexpand.c (pass_data_expand): Add PROP_gimple_lva to
properties_required field.
* passes.def (all_passes): Add pass_lower_vaarg.
* tree-pass.h (PROP_gimple_lva): Add define.
(make_pass_lower_vaarg): Declare.
* gcc.dg/tree-ssa/stdarg-2.c: Change f15 scan-tree-dump for target
x86_64-*-*.
Co-Authored-By: Michael Matz <matz@suse.de>
From-SVN: r222173
Diffstat (limited to 'gcc/internal-fn.c')
| -rw-r--r-- | gcc/internal-fn.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index e402825..0053ed9 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -1972,6 +1972,15 @@ expand_BUILTIN_EXPECT (gcall *stmt) emit_move_insn (target, val); } +/* IFN_VA_ARG is supposed to be expanded at pass_stdarg. So this dummy function + should never be called. */ + +static void +expand_VA_ARG (gcall *stmt ATTRIBUTE_UNUSED) +{ + gcc_unreachable (); +} + /* Routines to expand each internal function, indexed by function number. Each routine has the prototype: |